zilinsoft
3262955f2f
------ #### RaUIV4 V4.0.2311.0701 - *.[全新]整合了MyDb、ryControls、MyDb_MySQL等dll文件到RaUI一个项目。 - *.[新增]新增ApkOp类,可以轻松获取APK信息。 - *.[新增]新增JsonExt扩展类,让Json操作更简单。 - *.[新增]新增WebP类,可以支持webp格式的图片。 - *.[改进]ryQuickSQL中的AddField方法改为自动替换已存在的同名值。 - *.[修复]ryQuickSQL中的AddFieldCalc方法无法正常计算的BUG。
1212 lines
53 KiB
C#
1212 lines
53 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Windows.Forms;
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namespace ryCommon
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{
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/// <summary>
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/// 文件操作类
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/// </summary>
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public class RyFiles
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{
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private static BigFileOp file_op = new BigFileOp();
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#region 【内部类型定义】
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private struct SHFILEOPSTRUCT
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{
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public IntPtr hwnd; //父窗口句柄
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public WFunc wFunc; //要执行的动作
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public string pFrom; //源文件路径，可以是多个文件，以结尾符号"\0"结束
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public string pTo; //目标路径，可以是路径或文件名
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public FILEOP_FLAGS fFlags; //标志，附加选项
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public bool fAnyOperationsAborted; //是否可被中断
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public IntPtr hNameMappings; //文件映射名字，可在其它 Shell 函数中使用
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public string lpszProgressTitle; // 只在 FOF_SIMPLEPROGRESS 时，指定对话框的标题。
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}
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private enum WFunc
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{
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FO_MOVE = 0x0001, //移动文件
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FO_COPY = 0x0002, //复制文件
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FO_DELETE = 0x0003, //删除文件，只是用pFrom
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FO_RENAME = 0x0004 //文件重命名
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}
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private enum FILEOP_FLAGS
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{
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FOF_MULTIDESTFILES = 0x0001, //pTo 指定了多个目标文件，而不是单个目录
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FOF_CONFIRMMOUSE = 0x0002,
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FOF_SILENT = 0x0044, // 不显示一个进度对话框
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FOF_RENAMEONCOLLISION = 0x0008, // 碰到有抵触的名字时，自动分配前缀
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FOF_NOCONFIRMATION = 0x10, // 不对用户显示提示
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FOF_WANTMAPPINGHANDLE = 0x0020, // 填充 hNameMappings 字段，必须使用 SHFreeNameMappings 释放
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FOF_ALLOWUNDO = 0x40, // 允许撤销
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FOF_FILESONLY = 0x0080, // 使用 *.* 时, 只对文件操作
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FOF_SIMPLEPROGRESS = 0x0100, // 简单进度条，意味者不显示文件名。
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FOF_NOCONFIRMMKDIR = 0x0200, // 建新目录时不需要用户确定
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FOF_NOERRORUI = 0x0400, // 不显示出错用户界面
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FOF_NOCOPYSECURITYATTRIBS = 0x0800, // 不复制 NT 文件的安全属性
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FOF_NORECURSION = 0x1000 // 不递归目录
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}
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#endregion 【内部类型定义】
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#region 【DllImport】
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[DllImport("shell32.dll")]
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private static extern int SHFileOperation(ref SHFILEOPSTRUCT lpFileOp);
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/// <summary>
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///
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/// </summary>
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public enum ShowCommands : int
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{
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/// <summary>
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///
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/// </summary>
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SW_HIDE = 0,
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/// <summary>
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///
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/// </summary>
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SW_SHOWNORMAL = 1,
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/// <summary>
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///
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/// </summary>
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SW_NORMAL = 1,
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/// <summary>
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///
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/// </summary>
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SW_SHOWMINIMIZED = 2,
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/// <summary>
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///
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/// </summary>
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SW_SHOWMAXIMIZED = 3,
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/// <summary>
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///
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/// </summary>
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SW_MAXIMIZE = 3,
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/// <summary>
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///
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/// </summary>
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SW_SHOWNOACTIVATE = 4,
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/// <summary>
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///
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/// </summary>
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SW_SHOW = 5,
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/// <summary>
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///
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/// </summary>
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SW_MINIMIZE = 6,
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/// <summary>
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///
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/// </summary>
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SW_SHOWMINNOACTIVE = 7,
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/// <summary>
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///
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/// </summary>
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SW_SHOWNA = 8,
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/// <summary>
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///
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/// </summary>
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SW_RESTORE = 9,
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/// <summary>
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///
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/// </summary>
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SW_SHOWDEFAULT = 10,
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/// <summary>
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///
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/// </summary>
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SW_FORCEMINIMIZE = 11,
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/// <summary>
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///
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/// </summary>
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SW_MAX = 11
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}
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[DllImport("shell32.dll", CharSet = CharSet.Unicode)]
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static extern int ShellExecute(
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IntPtr hwnd,
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string lpOperation,
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string lpFile,
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string lpParameters,
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string lpDirectory,
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ShowCommands nShowCmd);
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#endregion 【DllImport】
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#region 【删除文件操作】
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/// <summary>
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/// 删除单个文件。
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/// </summary>
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/// <param name="fileName">删除的文件名</param>
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/// <param name="toRecycle">指示是将文件放入回收站还是永久删除，true-放入回收站，false-永久删除</param>
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/// <param name="showDialog">指示是否显示确认对话框，true-显示确认删除对话框，false-不显示确认删除对话框</param>
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/// <param name="showProgress">指示是否显示进度对话框，true-显示，false-不显示。该参数当指定永久删除文件时有效</param>
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/// <param name="errorMsg">反馈错误消息的字符串</param>
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/// <returns>操作执行结果标识，删除文件成功返回0，否则，返回错误代码</returns>
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public static int DeleteFile(string fileName, bool toRecycle, bool showDialog, bool showProgress, ref string errorMsg)
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{
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try
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{
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string fName = fileName;
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if (fileName.IndexOf("*") < 0 && fileName.IndexOf("?") < 0)
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{
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fName = GetFullName(fileName);
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}
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return ToDelete(fName, toRecycle, showDialog, showProgress, ref errorMsg);
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}
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catch (Exception ex)
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{
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errorMsg = ex.Message;
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return -200;
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}
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}
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/// <summary>
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/// 删除单个文件。
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/// </summary>
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/// <param name="fileName">删除的文件名</param>
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/// <param name="toRecycle">指示是将文件放入回收站还是永久删除，true-放入回收站，false-永久删除</param>
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/// <returns>操作执行结果标识，删除文件成功返回0，否则，返回错误代码</returns>
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public static int DeleteFile(string fileName, bool toRecycle)
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{
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string errorMsg = "";
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return DeleteFile(fileName,toRecycle,false,false,ref errorMsg);
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}
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/// <summary>
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/// 永久删除单个文件。
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/// </summary>
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/// <param name="fileName">永久删除的文件名</param>
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/// <returns>操作执行结果标识，删除文件成功返回0，否则，返回错误代码</returns>
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public static int DeleteFile(string fileName)
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{
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return DeleteFile(fileName, false);
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}
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/// <summary>
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/// 删除一组文件。
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/// </summary>
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/// <param name="fileNames">字符串数组，表示一组文件名</param>
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/// <param name="toRecycle">指示是将文件放入回收站还是永久删除，true-放入回收站，false-永久删除</param>
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/// <param name="showDialog">指示是否显示确认对话框，true-显示确认删除对话框，false-不显示确认删除对话框</param>
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/// <param name="showProgress">指示是否显示进度对话框，true-显示，false-不显示。该参数当指定永久删除文件时有效</param>
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/// <param name="errorMsg">反馈错误消息的字符串</param>
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/// <returns>操作执行结果标识，删除文件成功返回0，否则，返回错误代码</returns>
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public static int DeleteFiles(string[] fileNames, bool toRecycle, bool showDialog, bool showProgress, ref string errorMsg)
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{
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try
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{
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string fName = "";
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foreach (string str in fileNames)
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{
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fName += GetFullName(str) + "\0"; //组件文件组字符串
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}
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return ToDelete(fName, toRecycle, showDialog, showProgress, ref errorMsg);
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}
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catch (Exception ex)
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{
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errorMsg = ex.Message;
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return -200;
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}
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}
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#endregion 【删除文件操作】
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#region 【移动文件操作】
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/// <summary>
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/// 移动文件到指定路径下
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/// </summary>
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/// <param name="sourceFileName">要移动的文件名</param>
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/// <param name="destinationPath">移动到的目的路径</param>
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/// <returns></returns>
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public static int MoveFile(string sourceFileName, string destinationPath)
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{
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string errorMsg = "";
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return MoveFile(sourceFileName, destinationPath,false,false,false,ref errorMsg);
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}
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/// <summary>
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/// 移动一个文件到指定路径下
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/// </summary>
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/// <param name="sourceFileName">要移动的文件名</param>
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/// <param name="destinationPath">移动到的目的路径</param>
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/// <param name="showDialog">指示是否显示确认对话框，true-显示确认对话框，false-不显示确认对话框</param>
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/// <param name="showProgress">指示是否显示进度对话框</param>
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/// <param name="autoRename">指示当文件名重复时，是否自动为新文件加上后缀名</param>
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/// <param name="errorMsg">反馈错误消息的字符串</param>
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/// <returns>返回移动操作是否成功的标识，成功返回0，失败返回错误代码</returns>
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public static int MoveFile(string sourceFileName, string destinationPath, bool showDialog, bool showProgress, bool autoRename, ref string errorMsg)
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{
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try
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{
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string sfName = GetFullName(sourceFileName);
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string dfName = GetFullName(destinationPath);
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return ToMoveOrCopy(WFunc.FO_MOVE, sfName, dfName, showDialog, showProgress, autoRename, ref errorMsg);
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}
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catch (Exception ex)
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{
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errorMsg = ex.Message;
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return -200;
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}
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}
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/// <summary>
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/// 移动一组文件到指定的路径下
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/// </summary>
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/// <param name="sourceFileNames">要移动的文件名数组</param>
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/// <param name="destinationPath">移动到的目的路径</param>
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/// <param name="showDialog">指示是否显示确认对话框，true-显示确认对话框，false-不显示确认对话框</param>
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/// <param name="showProgress">指示是否显示进度对话框</param>
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/// <param name="autoRename">指示当文件名重复时，是否自动为新文件加上后缀名</param>
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/// <param name="errorMsg">反馈错误消息的字符串</param>
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/// <returns>返回移动操作是否成功的标识，成功返回0，失败返回错误代码,-200:表示其他异常</returns>
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public static int MoveFiles(string[] sourceFileNames, string destinationPath, bool showDialog, bool showProgress, bool autoRename, ref string errorMsg)
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{
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try
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{
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string sfName = "";
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foreach (string str in sourceFileNames)
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{
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sfName += GetFullName(str) + "\0"; //组件文件组字符串
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}
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string dfName = GetFullName(destinationPath);
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return ToMoveOrCopy(WFunc.FO_MOVE, sfName, dfName, showDialog, showProgress, autoRename, ref errorMsg);
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}
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catch (Exception ex)
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{
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errorMsg = ex.Message;
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return -200;
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}
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}
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#endregion 【移动文件操作】
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#region 【复制文件操作】
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/// <summary>
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/// 复制文件到指定的文件名或路径
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/// </summary>
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/// <param name="sourceFileName">要复制的文件名</param>
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/// <param name="destinationFileName">复制到的目的文件名或路径</param>
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/// <returns></returns>
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[Obsolete("已过时,即将在将来移除该函数,请使用CopyBigFile代替")]
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public static int CopyFile(string sourceFileName, string destinationFileName)
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{
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string errorMsg = "";
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return CopyFile(sourceFileName, destinationFileName,false,false,false,ref errorMsg);
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}
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/// <summary>
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/// 复制文件到指定的文件名或路径
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/// </summary>
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/// <param name="sourceFileName">要复制的文件名</param>
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/// <param name="destinationFileName">复制到的目的文件名或路径</param>
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/// <param name="showDialog">指示是否显示确认对话框，true-显示确认对话框，false-不显示确认对话框</param>
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/// <param name="showProgress">指示是否显示进度对话框</param>
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/// <param name="autoRename">指示当文件名重复时，是否自动为新文件加上后缀名</param>
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/// <param name="errorMsg">返回错误信息</param>
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/// <returns>返回移动操作是否成功的标识，成功返回0，失败返回错误代码,-200:表示其他异常</returns>
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public static int CopyFile(string sourceFileName, string destinationFileName, bool showDialog, bool showProgress, bool autoRename, ref string errorMsg)
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{
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try
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{
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string sfName = sourceFileName;
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string dfName = destinationFileName;
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return ToMoveOrCopy(WFunc.FO_COPY, sfName, dfName, showDialog, showProgress, autoRename, ref errorMsg);
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}
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catch (Exception ex)
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{
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errorMsg = ex.Message;
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return -200;
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}
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}
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/// <summary>
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/// 复制一组文件到指定的路径
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/// </summary>
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/// <param name="sourceFileNames">要复制的文件名数组</param>
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/// <param name="destinationPath">复制到的目的路径</param>
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/// <param name="showDialog">指示是否显示确认对话框，true-显示确认对话框，false-不显示确认对话框</param>
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/// <param name="showProgress">指示是否显示进度对话框</param>
|
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/// <param name="autoRename">指示当文件名重复时，是否自动为新文件加上后缀名</param>
|
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/// <param name="errorMsg">返回错误信息</param>
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/// <returns>返回移动操作是否成功的标识，成功返回0，失败返回错误代码,-200:表示其他异常</returns>
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public static int CopyFiles(string[] sourceFileNames, string destinationPath, bool showDialog, bool showProgress, bool autoRename, ref string errorMsg)
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{
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try
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{
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string sfName = "";
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foreach (string str in sourceFileNames)
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{
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sfName += GetFullName(str) + "\0"; //组件文件组字符串
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}
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string dfName = GetFullName(destinationPath);
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return ToMoveOrCopy(WFunc.FO_COPY, sfName, dfName, showDialog, showProgress, autoRename, ref errorMsg);
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}
|
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catch (Exception ex)
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{
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errorMsg = ex.Message;
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return -200;
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}
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}
|
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/// <summary>
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/// 大文件多次复制文件 true：复制成功 false：复制失败
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/// </summary>
|
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/// <param name="soucrePath">原始文件路径</param>
|
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/// <param name="targetPath">复制目标文件路径</param>
|
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/// <returns></returns>
|
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public static bool CopyBigFile(string soucrePath, string targetPath)
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{
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return file_op.CopyBigFile(soucrePath, targetPath);
|
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}
|
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/// <summary>
|
||
/// 复制文件或文件夹到目标路径,不支持进度事件,支持中途取消
|
||
/// </summary>
|
||
/// <param name="fromPath">源路径</param>
|
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/// <param name="ToPath">目标路径</param>
|
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/// <returns>返回复制操作是否成功的标识，成功返回0，负数表示复制失败的文件数量。1表示源文件夹不存在</returns>
|
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public static int CopyFileOrFolder(string fromPath, string ToPath)
|
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{
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return file_op.CopyFileOrFolder(fromPath,ToPath);
|
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}
|
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/// <summary>
|
||
/// 复制文件夹到目标文件夹(从3.0.2205.2601版本起已更换实现底层)
|
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/// </summary>
|
||
/// <param name="fromDir">源文件夹</param>
|
||
/// <param name="ToDir">目标文件夹</param>
|
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/// <returns>返回复制操作是否成功的标识，成功返回0，负数表示复制失败的文件数量。1表示源文件夹不存在</returns>
|
||
public static int CopyFolder(string fromDir, string ToDir)
|
||
{
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||
return file_op.CopyFolder(fromDir, ToDir);
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}
|
||
#endregion 【复制文件操作】
|
||
|
||
#region 【重命名文件】
|
||
/// <summary>
|
||
/// 重命名一个文件为新名称，建议您使用更方便的Microsoft.VisualBasic.FileSystem.ReName();替换该方法
|
||
/// </summary>
|
||
/// <param name="sourceFileName">要复制的文件名</param>
|
||
/// <param name="destinationFileName">复制到的目的文件名或路径</param>
|
||
/// <param name="showDialog">指示是否显示确认对话框，true-显示确认对话框，false-不显示确认对话框</param>
|
||
/// <param name="errorMsg">返回错误信息</param>
|
||
/// <returns>返回移动操作是否成功的标识，成功返回0，失败返回错误代码,-200:表示其他异常</returns>
|
||
[Obsolete("建议使用 Microsoft.VisualBasic.FileSystem.ReName()方法")]
|
||
public static int ReNameFile(string sourceFileName, string destinationFileName, bool showDialog, ref string errorMsg)
|
||
{
|
||
|
||
try
|
||
{
|
||
SHFILEOPSTRUCT lpFileOp = new SHFILEOPSTRUCT()
|
||
{
|
||
wFunc = WFunc.FO_RENAME,
|
||
pFrom = GetFullName(sourceFileName) + "\0\0", //将文件名以结尾字符"\0\0"结束
|
||
pTo = GetFullName(destinationFileName) + "\0\0",
|
||
fFlags = FILEOP_FLAGS.FOF_NOERRORUI
|
||
};
|
||
if (!showDialog)
|
||
lpFileOp.fFlags |= FILEOP_FLAGS.FOF_NOCONFIRMATION; //设定不显示提示对话框
|
||
|
||
|
||
lpFileOp.fAnyOperationsAborted = true;
|
||
|
||
int n = SHFileOperation(ref lpFileOp);
|
||
if (n == 0)
|
||
return 0;
|
||
|
||
string tmp = GetErrorString(n);
|
||
|
||
errorMsg = string.Format("{0}({1})", tmp, sourceFileName);
|
||
|
||
return n;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
errorMsg = ex.Message;
|
||
return -200;
|
||
}
|
||
}
|
||
|
||
|
||
#endregion 【重命名文件】
|
||
|
||
/// <summary>
|
||
/// 删除单个或多个文件
|
||
/// </summary>
|
||
/// <param name="fileName">删除的文件名，如果是多个文件，文件名之间以字符串结尾符'\0'隔开</param>
|
||
/// <param name="toRecycle">指示是将文件放入回收站还是永久删除，true-放入回收站，false-永久删除</param>
|
||
/// <param name="showDialog">指示是否显示确认对话框，true-显示确认删除对话框，false-不显示确认删除对话框</param>
|
||
/// <param name="showProgress">指示是否显示进度对话框，true-显示，false-不显示。该参数当指定永久删除文件时有效</param>
|
||
/// <param name="errorMsg">反馈错误消息的字符串</param>
|
||
/// <returns>操作执行结果标识，删除文件成功返回0，否则，返回错误代码</returns>
|
||
private static int ToDelete(string fileName, bool toRecycle, bool showDialog, bool showProgress, ref string errorMsg)
|
||
{
|
||
SHFILEOPSTRUCT lpFileOp = new SHFILEOPSTRUCT()
|
||
{
|
||
wFunc = WFunc.FO_DELETE,
|
||
pFrom = fileName + "\0" //将文件名以结尾字符"\0"结束
|
||
};
|
||
lpFileOp.fFlags = FILEOP_FLAGS.FOF_NOERRORUI;
|
||
if (!showDialog)
|
||
lpFileOp.fFlags |= FILEOP_FLAGS.FOF_NOCONFIRMATION; //设定不显示提示对话框
|
||
if (!showProgress)
|
||
lpFileOp.fFlags |= FILEOP_FLAGS.FOF_SILENT; //设定不显示进度对话框
|
||
if (!toRecycle)
|
||
lpFileOp.fFlags &= ~FILEOP_FLAGS.FOF_ALLOWUNDO; //设定删除到回收站
|
||
lpFileOp.fAnyOperationsAborted = true;
|
||
|
||
int n = SHFileOperation(ref lpFileOp);
|
||
if (n == 0)
|
||
return 0;
|
||
|
||
string tmp = GetErrorString(n);
|
||
|
||
//.av 文件正常删除了但也提示 402 错误，不知道为什么。屏蔽之。
|
||
if ((fileName.ToLower().EndsWith(".av") && n.ToString("X") == "402"))
|
||
return 0;
|
||
|
||
errorMsg = string.Format("{0}({1})", tmp, fileName);
|
||
|
||
return n;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 移动或复制一个或多个文件到指定路径下
|
||
/// </summary>
|
||
/// <param name="flag">操作类型，是移动操作还是复制操作</param>
|
||
/// <param name="sourceFileName">要移动或复制的文件名，如果是多个文件，文件名之间以字符串结尾符'\0'隔开</param>
|
||
/// <param name="destinationFileName">移动到的目的位置</param>
|
||
/// <param name="showDialog">指示是否显示确认对话框，true-显示确认对话框，false-不显示确认对话框</param>
|
||
/// <param name="showProgress">指示是否显示进度对话框</param>
|
||
/// <param name="autoRename">指示当文件名重复时，是否自动为新文件加上后缀名</param>
|
||
/// <param name="errorMsg">反馈错误消息的字符串</param>
|
||
/// <returns>返回移动操作是否成功的标识，成功返回0，失败返回错误代码</returns>
|
||
private static int ToMoveOrCopy(WFunc flag, string sourceFileName, string destinationFileName, bool showDialog, bool showProgress, bool autoRename, ref string errorMsg)
|
||
{
|
||
SHFILEOPSTRUCT lpFileOp = new SHFILEOPSTRUCT()
|
||
{
|
||
wFunc = flag,
|
||
pFrom = sourceFileName + "\0", //将文件名以结尾字符"\0\0"结束
|
||
pTo = destinationFileName + "\0\0"
|
||
};
|
||
lpFileOp.fFlags = FILEOP_FLAGS.FOF_NOERRORUI;
|
||
lpFileOp.fFlags |= FILEOP_FLAGS.FOF_NOCONFIRMMKDIR; //指定在需要时可以直接创建路径
|
||
if (!showDialog)
|
||
lpFileOp.fFlags |= FILEOP_FLAGS.FOF_NOCONFIRMATION; //设定不显示提示对话框
|
||
if (!showProgress)
|
||
lpFileOp.fFlags |= FILEOP_FLAGS.FOF_SILENT; //设定不显示进度对话框
|
||
if (autoRename)
|
||
lpFileOp.fFlags |= FILEOP_FLAGS.FOF_RENAMEONCOLLISION; //自动为重名文件添加名称后缀
|
||
|
||
lpFileOp.fAnyOperationsAborted = true;
|
||
|
||
int n = SHFileOperation(ref lpFileOp);
|
||
if (n == 0)
|
||
return 0;
|
||
|
||
string tmp = GetErrorString(n);
|
||
|
||
errorMsg = string.Format("{0}({1})", tmp, sourceFileName);
|
||
|
||
return n;
|
||
}
|
||
/// <summary>
|
||
/// 如果指定文件夹不存在，则创建文件夹
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
public static void CreateDirectory(string path)
|
||
{
|
||
if(!System.IO.Directory.Exists(path))
|
||
{
|
||
System.IO.Directory.CreateDirectory(path);
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 获取一个文件的全名
|
||
/// </summary>
|
||
/// <param name="fileName">文件名</param>
|
||
/// <returns>返回生成文件的完整路径名</returns>
|
||
private static string GetFullName(string fileName)
|
||
{
|
||
FileInfo fi = new FileInfo(fileName);
|
||
return fi.FullName;
|
||
}
|
||
/// <summary>
|
||
/// 获取一个文件的全名
|
||
/// </summary>
|
||
/// <param name="fileName">文件名</param>
|
||
/// <returns>返回生成文件的完整路径名</returns>
|
||
public static sType.FileTime GetFileDate(string fileName)
|
||
{
|
||
var result = new sType.FileTime();
|
||
FileInfo fi = new FileInfo(fileName);
|
||
result.AccessTime = GetSecondTime(fi.LastAccessTime);
|
||
result.CreateTime = GetSecondTime(fi.CreationTime);
|
||
result.LastWriteTime = GetSecondTime(fi.LastWriteTime);
|
||
return result;
|
||
}
|
||
private static DateTime GetSecondTime(DateTime dt)
|
||
{
|
||
return new DateTime(dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, dt.Millisecond);
|
||
}
|
||
/// <summary>
|
||
/// 解释错误代码
|
||
/// </summary>
|
||
/// <param name="n">代码号</param>
|
||
/// <returns>返回关于错误代码的文字描述</returns>
|
||
private static string GetErrorString(int n)
|
||
{
|
||
if (n == 0) return string.Empty;
|
||
|
||
switch (n)
|
||
{
|
||
case 2:
|
||
return "系统找不到指定的文件。";
|
||
case 7:
|
||
return "存储控制块被销毁。您是否选择的“取消”操作？";
|
||
case 113:
|
||
return "文件已存在！";
|
||
case 115:
|
||
return "重命名文件操作,原始文件和目标文件必须具有相同的路径名。不能使用相对路径。";
|
||
case 117:
|
||
return "I/O控制错误";
|
||
case 123:
|
||
return "指定了重复的文件名";
|
||
case 116:
|
||
return "The source is a root directory, which cannot be moved or renamed.";
|
||
case 118:
|
||
return "Security settings denied access to the source.";
|
||
case 124:
|
||
return "The path in the source or destination or both was invalid.";
|
||
case 65536:
|
||
return "An unspecified error occurred on the destination.";
|
||
case 1026:
|
||
return "在试图移动或拷贝一个不存在的文件.";
|
||
case 1223:
|
||
return "操作被取消！";
|
||
default:
|
||
return "未识别的错误代码：" + n;
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 运行文件
|
||
/// </summary>
|
||
/// <param name="FilePath"></param>
|
||
/// <param name="PramCom"></param>
|
||
/// <returns></returns>
|
||
public static int RunFile(string FilePath, string PramCom)
|
||
{
|
||
return RunFile(FilePath, PramCom,"");
|
||
}
|
||
/// <summary>
|
||
/// /运行文件
|
||
/// </summary>
|
||
/// <param name="FilePath"></param>
|
||
/// <param name="PramCom"></param>
|
||
/// <param name="lpDirectory"></param>
|
||
/// <returns></returns>
|
||
public static int RunFile(string FilePath, string PramCom,string lpDirectory)
|
||
{
|
||
try
|
||
{
|
||
return ShellExecute(IntPtr.Zero, "open", FilePath, PramCom, lpDirectory, ShowCommands.SW_SHOWNORMAL);
|
||
//System.Diagnostics.Process.Start(FilePath, PramCom);
|
||
//return 1;
|
||
}
|
||
catch { return 0; }
|
||
}
|
||
/// <summary>
|
||
/// 运行程序
|
||
/// </summary>
|
||
/// <param name="FilePath"></param>
|
||
/// <returns></returns>
|
||
public static int RunProc(string FilePath)
|
||
{
|
||
return RunFile(FilePath, "");
|
||
}
|
||
/// <summary>
|
||
/// 打开文件
|
||
/// </summary>
|
||
/// <param name="FilePath"></param>
|
||
/// <returns></returns>
|
||
public static int OpenFile(string FilePath)
|
||
{
|
||
if (System.IO.Directory.Exists(FilePath))
|
||
{
|
||
System.Diagnostics.Process.Start(FilePath);
|
||
return 0;
|
||
}
|
||
else
|
||
{
|
||
return RunFile(FilePath, "");
|
||
}
|
||
}
|
||
[DllImport("Kernel32", CharSet = CharSet.Unicode)]
|
||
private static extern int GetShortPathName(String path, StringBuilder shortPath, Int32 shortPathLength);
|
||
/// <summary>
|
||
/// 打开文件夹并定位文件
|
||
/// </summary>
|
||
/// <param name="FilePath"></param>
|
||
/// <returns></returns>
|
||
public static int OpenFolderGotoFile(string FilePath)
|
||
{
|
||
StringBuilder shortpath = new StringBuilder(260);
|
||
GetShortPathName(FilePath, shortpath, shortpath.Capacity);
|
||
return RunFile("explorer.exe", "/select,\""+ shortpath.ToString()+ "\"");
|
||
}
|
||
/// <summary>
|
||
/// 打开网址
|
||
/// </summary>
|
||
/// <param name="url"></param>
|
||
/// <returns></returns>
|
||
public static int OpenUrl(string url)
|
||
{
|
||
return RunFile(url, "");
|
||
}
|
||
/// <summary>
|
||
/// 判断是否为空的文件夹
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <returns></returns>
|
||
public static bool IsEmptyDir(string path)
|
||
{
|
||
var files = System.IO.Directory.GetFiles(path);
|
||
if(files!=null && files.Length > 0) { return false; }
|
||
var subdirs = System.IO.Directory.GetDirectories(path);
|
||
if(subdirs!=null && subdirs.Length > 0) { return false; }
|
||
return true;
|
||
}
|
||
/// <summary>
|
||
/// 文件或文件夹是否存在
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <returns></returns>
|
||
public static bool FileOrDirExist(string path)
|
||
{
|
||
if(System.IO.File.Exists(path) || System.IO.Directory.Exists(path))
|
||
{
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
/// <summary>
|
||
/// 判断文件名是否有效
|
||
/// </summary>
|
||
/// <param name="filename"></param>
|
||
/// <returns></returns>
|
||
public static bool IsValidFileName(string filename)
|
||
{
|
||
char[] no_validstr = @":\/|*?<>""".ToCharArray();
|
||
for(int i=0;i<no_validstr.Length;i++)
|
||
{
|
||
if(filename.ToLower().IndexOf(no_validstr[i])>=0)
|
||
{
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
/// <summary>
|
||
/// 转换到有效文件名
|
||
/// </summary>
|
||
/// <param name="filename"></param>
|
||
/// <returns></returns>
|
||
public static string ConvertToValidFileName(string filename)
|
||
{
|
||
char[] no_validstr = @":\/|*?<>""".ToCharArray();
|
||
string _file = filename;
|
||
for (int i = 0; i < no_validstr.Length; i++)
|
||
{
|
||
_file = _file.Replace(no_validstr[i].ToString(), "");
|
||
}
|
||
return _file;
|
||
}
|
||
/// <summary>
|
||
/// 追加日志
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <param name="content"></param>
|
||
public static void AppendLogs(string path, string content)
|
||
{
|
||
AppendAllText(path, DateTime.Now.ToString("yyyy-MM-dd HH：mm:ss") + "\t" + content);
|
||
}
|
||
/// <summary>
|
||
/// 追加文件
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <param name="content"></param>
|
||
public static void AppendAllText(string path, string content)
|
||
{
|
||
if (!System.IO.File.Exists(path))
|
||
{
|
||
RyFiles.WriteAllText(path, content, Encoding.UTF8);
|
||
}
|
||
else
|
||
{
|
||
System.IO.File.AppendAllText(path, "\r\n" +content, Encoding.UTF8);
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 读取文件内容,可以自动识别文件编码
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <returns></returns>
|
||
public static string ReadAllText(string path)
|
||
{
|
||
return ReadAllText(path, Encoding.Default);
|
||
}
|
||
/// <summary>
|
||
/// 读取文件内容,可以自动识别文件编码
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <param name="defaultEncoding"></param>
|
||
/// <returns></returns>
|
||
public static string ReadAllText(string path, Encoding defaultEncoding)
|
||
{
|
||
if (System.IO.File.Exists(path))
|
||
{
|
||
try
|
||
{
|
||
return System.IO.File.ReadAllText(path, ryCommon.TxtFileEncoder.GetEncoding(path, defaultEncoding));
|
||
}
|
||
catch { return ""; }
|
||
}
|
||
return "";
|
||
}
|
||
/// <summary>
|
||
/// 读取文件所有行,可以自动识别文件编码
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <returns></returns>
|
||
public static string[] ReadAllLines(string path)
|
||
{
|
||
return ReadAllLines(path, Encoding.Default);
|
||
}
|
||
/// <summary>
|
||
/// 读取文件所有行,可以自动识别文件编码
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <param name="defaultEncoding"></param>
|
||
/// <returns></returns>
|
||
public static string[] ReadAllLines(string path, Encoding defaultEncoding)
|
||
{
|
||
if (System.IO.File.Exists(path))
|
||
{
|
||
return System.IO.File.ReadAllLines(path, ryCommon.TxtFileEncoder.GetEncoding(path, defaultEncoding));
|
||
}
|
||
return null;
|
||
}
|
||
//static void ReadFile(string path,FileAccess fileAccess, FileShare fileShare)
|
||
//{
|
||
// FileStream fs = new FileStream(path, FileMode.Open, fileAccess, fileShare);
|
||
// var buffer = new byte[fs.Length];
|
||
// fs.Position = 0;
|
||
// fs.Read(buffer, 0, buffer.Length);
|
||
// Console.WriteLine(Encoding.Default.GetString(buffer));
|
||
//}
|
||
/// <summary>
|
||
/// 写入所有文本行到文件,如果文件夹不存在，会自动创建
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <param name="content"></param>
|
||
/// <param name="encoding"></param>
|
||
public static void WriteAllLines(string path,string[] content,Encoding encoding)
|
||
{
|
||
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(path)))
|
||
{
|
||
System.IO.Directory.CreateDirectory(System.IO.Path.GetDirectoryName(path));
|
||
}
|
||
System.IO.File.WriteAllLines(path, content, encoding);
|
||
}
|
||
/// <summary>
|
||
/// 写入所有文本到文件,如果文件夹不存在，会自动创建
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <param name="content"></param>
|
||
/// <param name="encoding"></param>
|
||
public static void WriteAllText(string path, string content, Encoding encoding)
|
||
{
|
||
CreateDirectory(System.IO.Path.GetDirectoryName(path));
|
||
System.IO.File.WriteAllText(path, content, encoding);
|
||
}
|
||
/// <summary>
|
||
/// 以UTF-8格式写入所有文本到文件,如果文件夹不存在，会自动创建
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <param name="content"></param>
|
||
public static void WriteAllText(string path, string content)
|
||
{
|
||
WriteAllText(path, content, Encoding.UTF8);
|
||
}
|
||
/// <summary>
|
||
/// 从文件中加载图片,使用本方法，不会导致图片文件被占用。
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
[Obsolete("当前方法已过期,请使用RyImage.LoadPic方法")]
|
||
public static Image LoadPicFromFile(string path)
|
||
{
|
||
return RyImage.LoadPic(path);
|
||
}
|
||
/// <summary>
|
||
/// 获取文件大小
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <returns></returns>
|
||
public static long GetFileSize(string path)
|
||
{
|
||
try
|
||
{
|
||
FileInfo fileInfo = new FileInfo(path);
|
||
return fileInfo.Length;
|
||
}
|
||
catch { return -1; }
|
||
}
|
||
/// <summary>
|
||
/// 添加文件到指定文件夹,会进行自动重命名，并返回重命名后的文件名(含路径)
|
||
/// </summary>
|
||
/// <param name="filepath">要添加的文件路径</param>
|
||
/// <param name="toFolder">要添加到的文件夹</param>
|
||
/// <param name="RenameByTime">是否根据时间进行重命名</param>
|
||
/// <param name="OK">返回是否成功执行</param>
|
||
/// <returns>成功执行则返回路径，否则返回空</returns>
|
||
public static string AddFileToFolder(string filepath,string toFolder,bool RenameByTime, out bool OK)
|
||
{
|
||
return file_op.AddFileToFolder(filepath, toFolder, RenameByTime,out OK);
|
||
}
|
||
/// <summary>
|
||
/// 获取文件大小字符串
|
||
/// </summary>
|
||
/// <param name="size"></param>
|
||
/// <returns></returns>
|
||
public static string GetFileSizeStr(long size)
|
||
{
|
||
if (size == -1) { return "未知"; }
|
||
string s;
|
||
string[] u = new string[] { "B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB", "NB", "DB" };
|
||
double i = size;
|
||
int n = 0;
|
||
while (i > 1024)
|
||
{
|
||
i /= 1024.0;
|
||
n++;
|
||
if (n == 4) break;
|
||
}
|
||
s = i.ToString("F2") + u[n];
|
||
return s;
|
||
}
|
||
/// <summary>
|
||
/// 根据文件大小字符串获取长整型表示的文件大小
|
||
/// </summary>
|
||
/// <param name="filesize_str"></param>
|
||
/// <returns></returns>
|
||
public static Int64 GetFileSizeBySizeStr(string filesize_str)
|
||
{
|
||
long filesize;
|
||
if (filesize_str.Length == 0)
|
||
{
|
||
filesize = 0;
|
||
}
|
||
else
|
||
{
|
||
if(filesize_str.EndsWith("kb", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
filesize = (filesize_str.Substring(0, filesize_str.Length - 2).Trim('|').ToDouble() * 1024).ToInt64();
|
||
}
|
||
else if (filesize_str.EndsWith("mb", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
filesize = (filesize_str.Substring(0, filesize_str.Length - 2).Trim('|').ToDouble() * 1024 * 1024).ToInt64();
|
||
}
|
||
else if (filesize_str.EndsWith("gb", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
filesize = (filesize_str.Substring(0, filesize_str.Length - 2).Trim('|').ToDouble() * 1024 * 1024 * 1024).ToInt64();
|
||
}
|
||
else if (filesize_str.EndsWith("tb", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
filesize = (filesize_str.Substring(0, filesize_str.Length - 2).Trim('|').ToDouble() * 1024 * 1024 * 1024 * 1024).ToInt64();
|
||
}
|
||
else if (filesize_str.EndsWith("b", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
filesize = (filesize_str.Substring(0, filesize_str.Length - 1).Trim('|').ToDouble()).ToInt64();
|
||
}
|
||
else if (filesize_str.EndsWith("k", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
filesize = (filesize_str.Substring(0, filesize_str.Length - 1).Trim('|').ToDouble() * 1024).ToInt64();
|
||
}
|
||
else if (filesize_str.EndsWith("m", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
filesize = (filesize_str.Substring(0, filesize_str.Length - 1).Trim('|').ToDouble() * 1024 * 1024).ToInt64();
|
||
}
|
||
else if (filesize_str.EndsWith("g", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
filesize = (filesize_str.Substring(0, filesize_str.Length - 1).Trim('|').ToDouble() * 1024 * 1024 * 1024).ToInt64();
|
||
}
|
||
else if (filesize_str.EndsWith("t", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
filesize = (filesize_str.Substring(0, filesize_str.Length - 1).Trim('|').ToDouble() * 1024 * 1024 * 1024 * 1024).ToInt64();
|
||
}
|
||
else
|
||
{
|
||
return -1;
|
||
}
|
||
}
|
||
return filesize;
|
||
}
|
||
/// <summary>
|
||
/// 获取文件大小字符串
|
||
/// </summary>
|
||
/// <param name="filepath"></param>
|
||
/// <returns></returns>
|
||
public static string GetFileSizeStr(string filepath)
|
||
{
|
||
return GetFileSizeStr(GetFileSize(filepath));
|
||
}
|
||
/// <summary>
|
||
/// 复制内容到剪切板
|
||
/// </summary>
|
||
/// <param name="text"></param>
|
||
public static void CopyToClip(string text)
|
||
{
|
||
try
|
||
{
|
||
Clipboard.Clear();
|
||
Clipboard.SetText(text);
|
||
}
|
||
catch { }
|
||
}
|
||
/// <summary>
|
||
/// 添加某个控件为支持拖放属性
|
||
/// </summary>
|
||
/// <param name="handle"></param>
|
||
/// <returns></returns>
|
||
public static ElevatedDragDropManager AddDropDrag(IntPtr handle)
|
||
{
|
||
var drag = new ElevatedDragDropManager();
|
||
drag.EnableDragDrop(handle);
|
||
return drag;
|
||
}
|
||
/// <summary>
|
||
/// 使管理员方式运行时支持拖放
|
||
/// </summary>
|
||
/// <param name="handle"></param>
|
||
/// <returns></returns>
|
||
public static void AdminDragEnable(IntPtr handle)
|
||
{
|
||
ElevatedDragDropManager.AdminDragEnable(handle);
|
||
}
|
||
/// <summary>
|
||
/// 保存高质量不失真照片
|
||
/// </summary>
|
||
/// <param name="m"></param>
|
||
/// <param name="path"></param>
|
||
/// <param name="type"></param>
|
||
[Obsolete("当前方法已过期,请使用RyImage.SaveHighQualityImage代替")]
|
||
public static void SaveHighQualityImage(Bitmap m,string path,ryCommon.sType.ImageType type)
|
||
{
|
||
RyImage.SaveHighQualityImage(m,path,type);
|
||
}
|
||
/// <summary>
|
||
/// 保存高质量不失真照片
|
||
/// </summary>
|
||
/// <param name="m"></param>
|
||
/// <param name="ms"></param>
|
||
/// <param name="type"></param>
|
||
[Obsolete("当前方法已过期,请使用RyImage.SaveHighQualityImage代替")]
|
||
public static void SaveHighQualityImage(Bitmap m, MemoryStream ms, ryCommon.sType.ImageType type)
|
||
{
|
||
RyImage.SaveHighQualityImage(m, ms, type);
|
||
}
|
||
/// <summary>
|
||
/// 保存高质量不失真照片
|
||
/// </summary>
|
||
/// <param name="m"></param>
|
||
/// <param name="path"></param>
|
||
/// <param name="type"></param>
|
||
[Obsolete("当前方法已过期,请使用RyImage.SaveHighQualityImage代替")]
|
||
public static void SaveHighQualityImage(Image m, string path, ryCommon.sType.ImageType type)
|
||
{
|
||
RyImage.SaveHighQualityImage(m, path, type);
|
||
}
|
||
/// <summary>
|
||
/// 保存高质量不失真照片
|
||
/// </summary>
|
||
/// <param name="m"></param>
|
||
/// <param name="path"></param>
|
||
[Obsolete("当前方法已过期,请使用RyImage.SaveHighQualityImage代替")]
|
||
public static bool SaveHighQualityImage(Bitmap m, string path)
|
||
{
|
||
return SaveHighQualityImage((Image)m,path);
|
||
}
|
||
/// <summary>
|
||
/// 保存高质量不失真照片
|
||
/// </summary>
|
||
/// <param name="m"></param>
|
||
/// <param name="path"></param>
|
||
[Obsolete("当前方法已过期,请使用RyImage.SaveHighQualityImage代替")]
|
||
public static bool SaveHighQualityImage(Image m, string path)
|
||
{
|
||
return RyImage.SaveHighQualityImage(m,path);
|
||
}
|
||
/// <summary>
|
||
/// 获取绝对路径
|
||
/// </summary>
|
||
/// <param name="_path"></param>
|
||
/// <returns></returns>
|
||
public static string GetRealPath(string _path)
|
||
{
|
||
string _tmp_path = _path.Replace("<app>", Application.StartupPath);
|
||
_tmp_path = _tmp_path.Replace("<sys>", Environment.GetFolderPath(Environment.SpecialFolder.System));
|
||
_tmp_path = _tmp_path.Replace("<sys_x86>", Environment.GetFolderPath(Environment.SpecialFolder.SystemX86));
|
||
_tmp_path = _tmp_path.Replace("<prog>", Environment.GetEnvironmentVariable("ProgramW6432"));
|
||
_tmp_path = _tmp_path.Replace("<prog_x86>", Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86));
|
||
_tmp_path = _tmp_path.Replace("<win>", Environment.GetFolderPath(Environment.SpecialFolder.Windows));
|
||
_tmp_path = _tmp_path.Replace("<mydoc>", Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments));
|
||
_tmp_path = _tmp_path.Replace("<desktop>", Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory));
|
||
_tmp_path = _tmp_path.Replace("<fonts>", Environment.GetFolderPath(Environment.SpecialFolder.Fonts));
|
||
_tmp_path = Environment.ExpandEnvironmentVariables(_tmp_path);
|
||
if(_tmp_path.IndexOf("%")>=0)
|
||
{
|
||
foreach (int i in Enum.GetValues(typeof(Environment.SpecialFolder)))
|
||
{
|
||
string value = Environment.GetFolderPath((Environment.SpecialFolder)i);
|
||
string key= Enum.GetName(typeof(Environment.SpecialFolder), i);
|
||
if (_tmp_path.IndexOfEx(key) >= 0)
|
||
{
|
||
_tmp_path = _tmp_path.ReplaceEx("%"+key+"%", value);
|
||
}
|
||
}
|
||
}
|
||
_tmp_path = _tmp_path.Replace("\\\\", "\\");
|
||
return _tmp_path;
|
||
}
|
||
/// <summary>
|
||
/// 获取相对路径
|
||
/// </summary>
|
||
/// <param name="_path"></param>
|
||
/// <returns></returns>
|
||
public static string GetRelativePath(string _path)
|
||
{
|
||
string _tmp_path = _path.Replace(Application.StartupPath, "<app>");
|
||
_tmp_path = _tmp_path.Replace(Environment.GetFolderPath(Environment.SpecialFolder.System), "<sys>");
|
||
_tmp_path = _tmp_path.Replace(Environment.GetFolderPath(Environment.SpecialFolder.SystemX86), "<sys_x86>");
|
||
_tmp_path = _tmp_path.Replace(Environment.GetEnvironmentVariable("ProgramW6432"), "<prog>");
|
||
_tmp_path = _tmp_path.Replace(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86), "<prog_x86>");
|
||
_tmp_path = _tmp_path.Replace(Environment.GetFolderPath(Environment.SpecialFolder.Windows), "<win>");
|
||
_tmp_path = _tmp_path.Replace(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "<mydoc>");
|
||
_tmp_path = _tmp_path.Replace(Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory), "<desktop>");
|
||
_tmp_path = _tmp_path.Replace(Environment.GetFolderPath(Environment.SpecialFolder.Fonts), "<fonts>");
|
||
string wait_replace_value = "";
|
||
string wait_replace_key = "";
|
||
int max_length = 0;
|
||
foreach (int i in Enum.GetValues(typeof(Environment.SpecialFolder)))
|
||
{
|
||
string value = Environment.GetFolderPath((Environment.SpecialFolder)i);
|
||
if (value == "x86") { continue; }
|
||
if (_tmp_path.IndexOfEx(value) >= 0)
|
||
{
|
||
if (value.Length > max_length)
|
||
{
|
||
wait_replace_value = value;
|
||
wait_replace_key = Enum.GetName(typeof(Environment.SpecialFolder), i); ;
|
||
max_length = value.Length;
|
||
}
|
||
}
|
||
}
|
||
if (max_length > 0)
|
||
{
|
||
_tmp_path = _tmp_path.ReplaceEx(wait_replace_value, "%" + wait_replace_key + "%");
|
||
}
|
||
max_length = 0;
|
||
foreach (DictionaryEntry de in Environment.GetEnvironmentVariables())
|
||
{
|
||
string value = de.Value.ToString();
|
||
if (value == "x86") { continue; }
|
||
if (value.IndexOfEx(":")<0) { continue; }
|
||
if (_tmp_path.IndexOfEx(value) >= 0 && !value.IsInt())
|
||
{
|
||
if (value.Length > max_length)
|
||
{
|
||
wait_replace_value = value;
|
||
wait_replace_key = de.Key.ToString();
|
||
max_length = value.Length;
|
||
}
|
||
}
|
||
}
|
||
if (max_length>0)
|
||
{
|
||
_tmp_path = _tmp_path.ReplaceEx(wait_replace_value, "%" + wait_replace_key + "%");
|
||
}
|
||
return _tmp_path;
|
||
}
|
||
/// <summary>
|
||
/// 获取图标
|
||
/// </summary>
|
||
/// <param name="lpszFile"></param>
|
||
/// <param name="nIconIndex"></param>
|
||
/// <param name="cxIcon"></param>
|
||
/// <param name="cyIcon"></param>
|
||
/// <param name="phicon"></param>
|
||
/// <param name="piconid"></param>
|
||
/// <param name="nIcons"></param>
|
||
/// <param name="flags"></param>
|
||
/// <returns></returns>
|
||
[DllImport("User32.dll")]
|
||
public static extern int PrivateExtractIcons(
|
||
string lpszFile, //file name
|
||
int nIconIndex, //The zero-based index of the first icon to extract.
|
||
int cxIcon, //The horizontal icon size wanted.
|
||
int cyIcon, //The vertical icon size wanted.
|
||
IntPtr[] phicon, //(out) A pointer to the returned array of icon handles.
|
||
int[] piconid, //(out) A pointer to a returned resource identifier.
|
||
int nIcons, //The number of icons to extract from the file. Only valid when *.exe and *.dll
|
||
int flags //Specifies flags that control this function.
|
||
);
|
||
/// <summary>
|
||
/// 销毁图标
|
||
/// </summary>
|
||
/// <param name="hIcon"></param>
|
||
/// <returns></returns>
|
||
[DllImport("User32.dll")]
|
||
public static extern bool DestroyIcon(
|
||
IntPtr hIcon //A handle to the icon to be destroyed. The icon must not be in use.
|
||
);
|
||
/// <summary>
|
||
/// 获取文件图标
|
||
/// </summary>
|
||
/// <param name="_path"></param>
|
||
/// <param name="index"></param>
|
||
/// <param name="count"></param>
|
||
/// <param name="size"></param>
|
||
/// <returns></returns>
|
||
public static Bitmap GetFileIcon(string _path,int index,out int count,int size)
|
||
{
|
||
var file = _path;
|
||
//选中文件中的图标总数
|
||
var iconTotalCount = PrivateExtractIcons(file, 0, 0, 0, null, null, 0, 0);
|
||
//用于接收获取到的图标指针
|
||
IntPtr[] hIcons = new IntPtr[iconTotalCount];
|
||
//对应的图标id
|
||
int[] ids = new int[iconTotalCount];
|
||
//成功获取到的图标个数
|
||
var successCount = PrivateExtractIcons(file, 0, size, size, hIcons, ids, iconTotalCount, 0);
|
||
count = successCount;
|
||
Bitmap bmp = null;
|
||
if(index>=0 && index< successCount)
|
||
{
|
||
if (hIcons[index] == IntPtr.Zero) { bmp = null; }
|
||
else
|
||
{
|
||
bmp = Icon.FromHandle(hIcons[index]).ToBitmap();
|
||
}
|
||
//内存回收
|
||
for (var i = 0; i < successCount; i++)
|
||
{
|
||
//指针为空，跳过
|
||
if (hIcons[i] == IntPtr.Zero) continue;
|
||
//内存回收
|
||
DestroyIcon(hIcons[i]);
|
||
}
|
||
}
|
||
return bmp;
|
||
}
|
||
}
|
||
|
||
}
|